oxfb.php

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<?php


try {
    include_once getShopBasePath() . "core/facebook/facebook.php";
} catch ( Exception $oEx ) {
    // skipping class includion if curl or json is not active
    oxConfig::getInstance()->setConfigParam( "bl_showFbConnect", false );
    return;
}

//error_reporting($iOldErrorReproting);

class oxFb extends Facebook
{
    private static $_instance = null;

    protected $_blIsConnected = null;

    public function __construct()
    {
        $oConfig = oxConfig::getInstance();

        $aFbConfig["appId"]  = $oConfig->getConfigParam( "sFbAppId" );
        $aFbConfig["secret"] = $oConfig->getConfigParam( "sFbSecretKey" );
        $aFbConfig["cookie"] = true;

        BaseFacebook::__construct( $aFbConfig );
    }

    public static function getInstance()
    {
        // disable caching for test modules
        if ( defined( 'OXID_PHP_UNIT' ) ) {
            self::$_instance = modInstances::getMod( __CLASS__ );
        }

        if ( !self::$_instance instanceof oxFb ) {

            self::$_instance = oxNew( 'oxFb' );
            if ( defined( 'OXID_PHP_UNIT' ) ) {
                modInstances::addMod( __CLASS__, self::$_instance);
            }
        }
        return self::$_instance;
    }

    public function isConnected()
    {
        $oConfig = oxConfig::getInstance();

        if ( !$oConfig->getConfigParam( "bl_showFbConnect" ) ) {
            return false;
        }

        if ( $this->_blIsConnected !== null ) {
            return $this->_blIsConnected;
        }

        $this->_blIsConnected = false;
        $oUser = $this->getUser();

        if (!$oUser) {
            $this->_blIsConnected = false;
            return $this->_blIsConnected;
        }

        $this->_blIsConnected = true;
        try {
            $this->api('/me');
        } catch (FacebookApiException $e) {
            $this->_blIsConnected = false;
        }

        return $this->_blIsConnected;
    }

    protected function setPersistentData($key, $value)
    {
        if (!in_array($key, self::$kSupportedKeys)) {
            self::errorLog('Unsupported key passed to setPersistentData.');
            return;
        }

        $sSessionVarName = $this->constructSessionVariableName($key);
        oxSession::getInstance()->setVar($sSessionVarName, $value);
    }

    protected function getPersistentData($key, $default = false)
    {
        if (!in_array($key, self::$kSupportedKeys)) {
            self::errorLog('Unsupported key passed to getPersistentData.');
            return $default;
        }

        $sSessionVarName = $this->constructSessionVariableName($key);
        return (oxSession::getInstance()->hasVar($sSessionVarName) ?
            oxSession::getInstance()->getVar($sSessionVarName) : $default);
    }

    protected function clearPersistentData($key)
    {
        if (!in_array($key, self::$kSupportedKeys)) {
            self::errorLog('Unsupported key passed to clearPersistentData.');
            return;
        }

        $sSessionVarName = $this->constructSessionVariableName($key);
        oxSession::getInstance()->deleteVar($sSessionVarName);
    }
}